package com.ruoyi.framework.aspectj;

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.lang.reflect.Method;
import java.util.Map;
import java.util.stream.Collectors;
import com.alibaba.fastjson.JSONArray;
import com.alibaba.fastjson.JSONObject;
import com.ruoyi.common.enums.GetUserId;
import com.ruoyi.common.enums.RequestType;
import com.ruoyi.system.service.ISysUserService;
import com.ruoyi.yf.domain.YfTag;
import org.aspectj.lang.JoinPoint;
import org.aspectj.lang.Signature;
import org.aspectj.lang.annotation.AfterReturning;
import org.aspectj.lang.annotation.AfterThrowing;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Pointcut;
import org.aspectj.lang.reflect.MethodSignature;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.json.GsonJsonParser;
import org.springframework.stereotype.Component;
import com.ruoyi.common.annotation.Log;
import com.ruoyi.common.enums.BusinessStatus;
import com.ruoyi.common.json.JSON;
import com.ruoyi.common.utils.ServletUtils;
import com.ruoyi.common.utils.StringUtils;
import com.ruoyi.framework.manager.AsyncManager;
import com.ruoyi.framework.manager.factory.AsyncFactory;
import com.ruoyi.framework.util.ShiroUtils;
import com.ruoyi.system.domain.SysOperLog;
import com.ruoyi.system.domain.SysUser;
import javax.servlet.ServletInputStream;

/**
 * 操作日志记录处理
 *
 * @author ruoyi
 */
@Aspect
@Component
public class LogAspect {

    private static final Logger log = LoggerFactory.getLogger(LogAspect.class);

    @Autowired
    private ISysUserService userService;

    // 配置织入点
    @Pointcut("@annotation(com.ruoyi.common.annotation.Log)")
    public void logPointCut() {
    }

    /**
     * 处理完请求后执行
     *
     * @param joinPoint 切点
     */
    @AfterReturning(pointcut = "logPointCut()", returning = "jsonResult")
    public void doAfterReturning(JoinPoint joinPoint, Object jsonResult) {
        handleLog(joinPoint, null, jsonResult);
    }

    /**
     * 拦截异常操作
     *
     * @param joinPoint 切点
     * @param e         异常
     */
    @AfterThrowing(value = "logPointCut()", throwing = "e")
    public void doAfterThrowing(JoinPoint joinPoint, Exception e) {
        handleLog(joinPoint, e, null);
    }

    protected void handleLog(final JoinPoint joinPoint, final Exception e, Object jsonResult) {
        try {
            // 获得注解
            Log controllerLog = getAnnotationLog(joinPoint);
            if (controllerLog == null) {
                return;
            }

            // 获取当前的用户
            SysUser currentUser = ShiroUtils.getSysUser();

            // *========数据库日志=========*//
            SysOperLog operLog = new SysOperLog();
            operLog.setStatus(BusinessStatus.SUCCESS.ordinal());
            // 请求的地址
            String ip = ShiroUtils.getIp();
            operLog.setOperIp(ip);
            // 返回参数
//            operLog.setJsonResult(JSON.marshal(jsonResult));
            operLog.setJsonResult( StringUtils.substring(JSON.marshal(jsonResult), 0, 1500) );

            operLog.setOperUrl(ServletUtils.getRequest().getRequestURI());


            // ==============    修改手机操作日志    =============== //

            // 原先的
//            if (currentUser != null) {
//                operLog.setOperName(currentUser.getLoginName());
//                if (StringUtils.isNotNull(currentUser.getDept())
//                        && StringUtils.isNotEmpty(currentUser.getDept().getDeptName())) {
//                    operLog.setDeptName(currentUser.getDept().getDeptName());
//                }
//            }

            // 修改后
            try{
                if( controllerLog.requestType().ordinal() == RequestType.HTML.ordinal() ){      // 页面的请求
                    if (currentUser != null) {
                        operLog.setOperName(currentUser.getLoginName());
                        if (StringUtils.isNotNull(currentUser.getDept())
                                && StringUtils.isNotEmpty(currentUser.getDept().getDeptName())) {
                            operLog.setDeptName(currentUser.getDept().getDeptName());
                        }
                    }
                }else if( controllerLog.requestType().ordinal() == RequestType.KEYVALUE.ordinal()
                        ||  controllerLog.requestType().ordinal() == RequestType.JSON.ordinal()  ){      // 手机的请求
                    Long userId = null;
                    if( controllerLog.requestType().ordinal() == RequestType.KEYVALUE.ordinal() ){      // 手机的请求 -- 传参方式：键值对
                        if( controllerLog.getUserId().ordinal() == GetUserId.USERID.ordinal() ){
                            userId = Long.parseLong( ServletUtils.getRequest().getParameter("userId") );
                        }else if( controllerLog.getUserId().ordinal() == GetUserId.UID.ordinal() ){
                            userId = Long.parseLong( ServletUtils.getRequest().getParameter("uid") );
                        }

                    }else if( controllerLog.requestType().ordinal() == RequestType.JSON.ordinal() ){    // 手机的请求 -- 传参方式：json
                        ServletInputStream inputStream = ServletUtils.getRequest().getInputStream();
                        String result = new BufferedReader(new InputStreamReader(inputStream)).lines().collect(Collectors.joining("\n"));
                        if( controllerLog.getUserId().ordinal() == GetUserId.JSONONEYFTAG.ordinal() ){      // 单条
                            JSONObject jsonObject = JSONObject.parseObject(result);
                            userId = jsonObject.getLong("collectUserId");
                        }else if( controllerLog.getUserId().ordinal() == GetUserId.JSONMOREYFTAG.ordinal() ){   // 多条
                            JSONArray yftags = JSONArray.parseArray(result);
                            if( yftags != null ){
                                for (int i = 0; i < yftags.size(); i++) {
                                    JSONObject jsonObject = yftags.getJSONObject(i);
                                    userId = jsonObject.getLong("intoUserId");
                                    break;
                                }
                            }
                        }
                    }

                    // 查询用户的登录名、所在的机构名
                    SysUser user = null;
                    if( userId != null ){
                        user = userService.selectUserById(userId);
                    }
                    if( user != null && !StringUtils.isEmpty(user.getLoginName()) ){
                        operLog.setOperName(user.getLoginName());
                    }else{
                        operLog.setOperName("");
                    }
                    if( user != null && !StringUtils.isEmpty(user.getDept().getDeptName()) ){
                        operLog.setDeptName(user.getDept().getDeptName());
                    }else{
                        operLog.setDeptName("");
                    }

                }
            }catch (Exception exception){
                exception.printStackTrace();
                operLog.setOperName("");
                operLog.setDeptName("");
            }

            // ==============    修改手机操作日志    =============== //


            if (e != null) {
                operLog.setStatus(BusinessStatus.FAIL.ordinal());
                operLog.setErrorMsg(StringUtils.substring(e.getMessage(), 0, 2000));
            }
            // 设置方法名称
            String className = joinPoint.getTarget().getClass().getName();
            String methodName = joinPoint.getSignature().getName();
            operLog.setMethod(className + "." + methodName + "()");
            // 设置请求方式
            operLog.setRequestMethod(ServletUtils.getRequest().getMethod());
            // 处理设置注解上的参数
            getControllerMethodDescription(controllerLog, operLog);
            // 保存数据库
            AsyncManager.me().execute(AsyncFactory.recordOper(operLog));
        } catch (Exception exp) {
            // 记录本地异常日志
            log.error("==前置通知异常==");
            log.error("异常信息:{}", exp.getMessage());
            exp.printStackTrace();
        }
    }

    /**
     * 获取注解中对方法的描述信息 用于Controller层注解
     *
     * @param log     日志
     * @param operLog 操作日志
     * @throws Exception
     */
    public void getControllerMethodDescription(Log log, SysOperLog operLog) throws Exception {
        // 设置action动作
        operLog.setBusinessType(log.businessType().ordinal());
        // 设置标题
        operLog.setTitle(log.title());
        // 设置操作人类别
        operLog.setOperatorType(log.operatorType().ordinal());
        // 是否需要保存request，参数和值
        if (log.isSaveRequestData()) {
            // 获取参数的信息，传入到数据库中。
            setRequestValue(operLog);
        }
        //todo 暂时处理 日志用户名，机构名...
//        if (operLog.getOperName().isEmpty()) {
//
//        }
    }

    /**
     * 获取请求的参数，放到log中
     *
     * @param operLog 操作日志
     * @throws Exception 异常
     */
    private void setRequestValue(SysOperLog operLog) throws Exception {
        Map<String, String[]> map = ServletUtils.getRequest().getParameterMap();
        if (map.size() > 0) {
            String params = JSON.marshal(map);
            operLog.setOperParam(StringUtils.substring(params, 0, 2000));
        } else {
            ServletInputStream inputStream = ServletUtils.getRequest().getInputStream();
            String result = new BufferedReader(new InputStreamReader(inputStream)).lines().collect(Collectors.joining("\n"));
            operLog.setOperParam(StringUtils.substring(result, 0, 2000));
        }
    }

    /**
     * 是否存在注解，如果存在就获取
     */
    private Log getAnnotationLog(JoinPoint joinPoint) throws Exception {
        Signature signature = joinPoint.getSignature();
        MethodSignature methodSignature = (MethodSignature) signature;
        Method method = methodSignature.getMethod();

        if (method != null) {
            return method.getAnnotation(Log.class);
        }
        return null;
    }
}
